Journal
AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY
Volume 63, Issue 5, Pages 349-357Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1600-0897.2010.00808.x
Keywords
Endometriosis; in vitro fertilization; tubal factor infertility; alpha-enolase
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Funding
- Estonian Science Foundation [6585]
- Estonian Ministry of Education and Science [SF0180035s08, SF0180044s09]
- Enterprise Estonia [EU30200]
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Problem Female infertility patients with diverse etiologies show increased production of autoantibodies. Method of study Immunoblot analysis of sera from patients with endometriosis and tubal factor infertility (TFI) and mass spectrometry identification of candidate antigens. Results The immunoblot results demonstrated the presence of IgA and IgG anti-endometrial antibodies (AEA) to various antigens at molecular weights ranging from 10 to 200 kDa. Differences were detected in certain AEA reactions between the patients' groups and particular AEA were associated with in vitro fertilization (IVF) implantation failure. IgA AEA to a 47-kDa protein were more prevalent in TFI patients and were associated with unsuccessful IVF treatment. This antigen was subsequently identified as a-enolase. Conclusion Determination of the presence and spectra of AEA in patients with endometriosis and TFI undergoing IVF may be a useful marker to predict their pregnancy outcome.
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